There are removable screw connectors for connection to 230 V mains. Cable NKR9 for MR25 is used for linking between the radio modem and the MS2000 and connection with the battery is done with cable NKR4 for MS2000. The cable is protected by a cable fuse F6.3A.
The wire connecting is apparent from the following diagram:
Connection of the terminals 1, 2, 5 and 6, see Section 2.3, “Signalizing of States”.